battery question

[P.A]

Recently I noticed some battery warning messages on my logs.

2334Thu Jun 11 12:04:29 2009Storage ServiceController event log: Battery
relearn completed: Controller 0 (PERC 5/i Integrated) 2334Thu Jun 11
12:04:29 2009Storage ServiceController event log: Battery started charging:
Controller 0 (PERC 5/i Integrated) 2335Thu Jun 11 12:04:29 2009Storage
ServiceController event log: Current capacity of the battery is below
threshold: Controller 0 (PERC 5/i Integrated) 
2334Thu Jun 11 12:04:28 2009Storage ServiceController event log: Battery is
discharging: Controller 0 (PERC 5/i Integrated) 
2334Thu Jun 11 12:04:28 2009Storage ServiceController event log: Battery
relearn in progress: Controller 0 (PERC 5/i Integrated) 
2335Thu Jun 11 12:04:28 2009Storage ServiceController event log: Current
capacity of the battery is below threshold: Controller 0 (PERC 5/i
Integrated)

What are the implications if the battery fails, will I lose all raid data if
I reboot? What should I do to fix this issue.

TIA, Paul.